CVE-2025-13610
📋 TL;DR
This stored XSS vulnerability in the RegistrationMagic WordPress plugin allows authenticated attackers with contributor-level access or higher to inject malicious scripts via the 'theme' attribute in the RM_Forms shortcode. When users visit pages containing the injected shortcode, the scripts execute in their browsers. All WordPress sites using RegistrationMagic versions up to 6.0.6.7 are affected.
💻 Affected Systems
- RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login plugin for WordPress
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator session cookies, redirect users to malicious sites, deface websites, or perform actions on behalf of authenticated users.
Likely Case
Attackers with contributor accounts inject malicious scripts that steal user session cookies or redirect users to phishing pages.
If Mitigated
With proper input validation and output escaping, malicious scripts are neutralized before reaching user browsers.
🎯 Exploit Status
Exploitation requires authenticated access (contributor or higher) and knowledge of WordPress shortcode usage.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.0.6.8 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3414853/custom-registration-form-builder-with-submission-manager
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find RegistrationMagic plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download latest version from WordPress plugin repository and manually update.
🔧 Temporary Workarounds
Remove Contributor Access
allTemporarily restrict contributor-level access to prevent exploitation while patching.
Disable Plugin
linuxDeactivate RegistrationMagic plugin until patched version is available.
wp plugin deactivate custom-registration-form-builder-with-submission-manager
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to mitigate XSS impact
- Use web application firewall (WAF) rules to block suspicious shortcode attributes
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for RegistrationMagic version 6.0.6.7 or earlier.Check Version:
wp plugin get custom-registration-form-builder-with-submission-manager --field=versionVerify Fix Applied:
Verify plugin version is 6.0.6.8 or later after update.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin containing 'theme' attribute in shortcodes
- Multiple failed login attempts followed by successful contributor login
Network Indicators:
- Outbound connections to suspicious domains from WordPress server
SIEM Query:
source="wordpress" AND (event="plugin_update" AND plugin="RegistrationMagic" AND version<"6.0.6.8") OR (event="post_edit" AND user_role="contributor" AND content CONTAINS "[RM_Forms")